Advanced Nitrox Knowledge Review

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Advanced Nitrox Course 11.3 Knowledge Review Note: If you need more space for your answers, staple the additional pages to this page.
1 State the maximum partial pressure of Oxygen to use for the working and decompression portions of a technical dive.
2 Calculate the CNS Oxygen toxicity exposure for an air dive to 172 FSW for 25 minutes in terms of the percent of the CNS clock used.
3 Describe the definition and purpose of air breaks during decompression.
4 Explain the effect of CO2 build-up on CNS Oxygen toxicity.
5 Describe the actions to take to reduce CO2 build-up.
6 Describe the signs and symptoms of pulmonary Oxygen toxicity.
7 Calculate the pulmonary Oxygen toxicity exposure for an air dive to 172 FSW for 25 minute in terms of accumulated OTUs.
8 Calculate the volume of gas in an aluminum 80 ft3 tank filled to 3500 psi.
9 Calculate the Surface Air Consumption rate for a diver who is diving an aluminum 80 ft3 tank and uses 1500 psi in 20 minutes while diving at 66 FSW.
10 Calculate the volume of gas required for a dive to 172 FSW for 25 minutes given a SAC rate of 0.7 ft3 per minute.
11 Describe two alternative reserve plans to consider when planning a dive.
12 Describe the process used to plan a dive when the divers are using tanks of different volumes.
13 State the primary advantage of using Buhlmann model based dive tables vs. the US Navy dive tables.
14 Describe five ways to add conservatism in the use of any dive table.
15 Describe the advantage of using dive tables in the run time format vs. the stop time at depth format.
16 Describe the advantages of using EANx 80 vs. 100% O2 for the final decompression mix.
17 Describe two mechanical safe guards to use to avoid breathing the decompression mixes at depth.